ISO/TC 42
Projekta Nr. | ISO 7760:2001 |
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Nosaukums | <p>This International Standard specifies a spectrophotometric method for the determination of hydroquinone in</p> <p>photographic processing waste.</p> <p>This method can be applied to samples containing hydroquinone in the concentration range of 200 μg/l to</p> <p>4 000 μg/l; aminophenols and phenylenediamines should also be determined by this method. However, sulfonated</p> <p>hydroquinones or products from the further oxidation of benzoquinone will not be determined.</p> |
Reģistrācijas numurs (WIID) | 32495 |
Darbības sfēra | <p>This International Standard specifies a spectrophotometric method for the determination of hydroquinone in</p> <p>photographic processing waste.</p> <p>This method can be applied to samples containing hydroquinone in the concentration range of 200 μg/l to</p> <p>4 000 μg/l; aminophenols and phenylenediamines should also be determined by this method. However, sulfonated</p> <p>hydroquinones or products from the further oxidation of benzoquinone will not be determined.</p> |
Statuss | Standarts spēkā |
ICS grupa | 13.030.30 37.040.30 |